“cropping systems in medieval Europe”的概念、定义、翻译、参考文献-科学参考

单词	cropping systems in medieval Europe
释义	cropping systems in medieval Europe Encyclopedia 管理学中世纪农业经济史思想史释 cropping systems in medieval Europe中世纪欧洲土地耕作制度中世纪欧洲的封建领主在庄园内通过分配给农奴份地，以条田为最小单位，实行强迫轮作制、休闲耕作制（分为二圃制和三圃制）和敞地制等，对农奴进行压榨和剥削的规则体系。
随便看	powder for coating powder for dry seed treatment powder forging powder forming powder identification powder impetus powdering powder injection molding powder insulation powder jet deep mixing reinforcement machine powder metallurgical gear powder metallurgy powder metallurgy alloys for electrical applications powder metallurgy alloy steels powder metallurgy aluminium alloy powder metallurgy aluminum alloys powder metallurgy anti-friction materials powder metallurgy bearing powder metallurgy composites powder metallurgy copper alloys powder metallurgy friction materials powder metallurgy iron-based products powder metallurgy magnetic materials powder metallurgy material powder metallurgy materials with surper-fine crystalline structure

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